654
Timing chart of multiple receive
1) Normal process
2) Error process
Note:In this protocol, polling is performed for "ON" during the interval of 500 msec from the start of power supply up to reception of
first data item.
Printer
Receive/Analysis/Edit (3)
Power On
Printe
RD
SD
Initializin
STX.ETX (3)
Receive/Analysis/Edit (2)
Printing (1)
Online
Receive buffer near full state Receive buffer near full release
Offline
Printer Status
Press the LINE
button
Press the LINE
button
Receive/Analysis/Edit (1)
STX.ETX (1)
STX......ETX (4)
Receive/Analysis/Edit (4)
Printing (2)
500 msec
Printing (3)
STX.ETX (2)
* When the paper end error occurs, open the head, set label, close the head and feed.
Note: (1) The paper end error will be released when the head is closed.
(2) XOFF will be sent when data is received during an error.
SD
STX......ETX (2)
Receive/Analysis/Edit (2)
Printing (1)
Online
Head open
Paper end error
Offline
Press the LINE button
Receive/Analysis/Edit (1)
STX..................ETX (1)
Printing (1)
Head close
Press the LINE button
*
Offline